We developed an Android app a couple of years ago which prints to a ZQ520 printer using the Link-OS SDK. Suddenly on one of our development devices, I am getting an error whenever I call the method ZebraPrinterFactory.createLinkOsPrinter(). Exception is:
Looking at the logcat, the underlying error seems to be:
unable to find class referenced in signature (Lcom/fasterxml/jackson/databind/ObjectMapper;)
I can fix it by adding the following to the gradle file:
but I'm not sure why it has suddenly happened. Does anyone have any idea what is going on?